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Kabushiki Kaisha Vitamin Kenkyuso

USPTO Granted Patents = 3

Forward Citations = 35

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12 inventors (with patents filed for the assignee):

Masayasu Kurono (3 out of 71 patents)

Tomio Ogasawara (3 out of 5 patents)

Kunio Yagi (2 out of 13 patents)

4. Yoshiro Ishiwata (1 out of 20 patents)

5. Nobuko Ohishi (1 out of 9 patents)

6. Takafumi Iida (1 out of 4 patents)

7. Hiroaki Kodama (1 out of 1 patent)

8. Yasuyuki Shimohigashi (1 out of 1 patent)

9. Takuya Koshizaka (1 out of 2 patents)

10. Takehiko Suzuki (1 out of 5 patents)

11. Meiji Kuwayama (1 out of 1 patent)

12. Osamu Nakagawa (1 out of 2 patents)

3 patents: Sort by Forward Citations

1. 5061691 - Enkephalin analogs (1991-10-29),

2. 5037981 - Intermediates for synthesizing BH.sub.4 and its derivatives (1991-08-06),

3. 4528184 - Polymer-metal complexes containing quaternary nitrogen atoms used in the (1985-07-09),

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USPTO Data Jan 1 1976 - Dec 30 2025

3 Patents

#23 in Gifu, 501-32

#8,767 in Japan

Kabushiki Kaisha Vitamin Kenkyuso

Forward Citations = 35

12 inventors:

Masayasu Kurono (3 out of 71 patents)

Tomio Ogasawara (3 out of 5 patents)

Kunio Yagi (2 out of 13 patents)

4. Yoshiro Ishiwata (1 out of 20 patents)

5. Nobuko Ohishi (1 out of 9 patents)

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